Question

(x2 - 3)(x2 + 12) = 0

Answer 1

x=1.7320508075688772 or x=−1.7320508075688772

Explanation:

(x2−3)(x2+12)=0

x4+9x2−36=0

(x2−3)(x2+12)=0

x2−3=0 or x2+12=0

x=1.7320508075688772 or x=−1.7320508075688772